NDRG2对唾液腺腺样囊性癌增殖、侵袭的影响

doi:10.19438/j.cjoms.2019.02.003

中国口腔颌面外科杂志 ›› 2019, Vol. 17 ›› Issue (2): 112-116.doi: 10.19438/j.cjoms.2019.02.003

NDRG2对唾液腺腺样囊性癌增殖、侵袭的影响

任华健¹, 李家苏¹, 高红梅², 尹林¹

1.南京医科大学第一附属医院口腔科,江苏南京 210029;
2.济宁市人民医院口腔科,山东济宁 272000

收稿日期:2018-10-18 修回日期:2018-12-01 出版日期:2019-03-20 发布日期:2019-04-12
通讯作者: 尹林,E-mail：jssryyl@163.com
作者简介:任华健（1994-）,男,硕士研究生,E-mail：185919262@qq.com
基金资助:
江苏省教育厅自然科学基金（10KJB320005）; 江苏省卫生厅项目（H201306）

The effect of NDRG2 on proliferation and invasion of salivary adenoid cystic carcinoma

REN Hua-jian¹, LI Jia-su¹, GAO Hong-mei², YIN Lin¹

1.Department of Stomatology, Peoples Hospital of Jiangsu Province. Nanjing 210029, Jiangsu Province;
2. Department of Stomatology, Peoples Hospital of Jining. Jining 272000, Shandong Province, China

Received:2018-10-18 Revised:2018-12-01 Online:2019-03-20 Published:2019-04-12

摘要/Abstract

摘要： 目的:探讨NDRG2基因在唾液腺腺样囊性癌组织中的表达及其对SACC-LM细胞增殖、侵袭的影响。方法:采用蛋白质免疫印迹法（Western blot）和实时荧光定量PCR（qRT-PCR）分析唾液腺腺样囊性癌组织及癌旁组织样本中NDRG2的表达,采用RNA干扰技术降低腺样囊性癌细胞SACC-LM中NDRG2基因的表达,利用CCK-8实验及集落形成实验检测细胞增殖能力的变化,利用划痕实验及Transwell实验分别检测细胞迁移及侵袭能力的变化,利用Western 免疫印迹实验检测侵袭标志蛋白以及上皮-间充质转化（EMT）相关蛋白的表达。采用SPSS 17.0软件包进行数据处理。结果:NDRG2基因在唾液腺腺样囊性癌组织中的表达低于癌旁组织（P=0.017）。在降低NDRG2基因的表达后,SACC-LM细胞的增殖、迁移及侵袭能力显著增强（P<0.05）,侵袭标志蛋白MMP2表达量显著升高（P=0.0004）,上皮标志物E-Caherin表达量显著降低（P=0.0229）,间充质标志物N-Cadherin表达量显著升高（P=0.0009）。结论:NDRG2基因在腺样囊性癌中低表达,降低NDRG2的表达可增强SACC-LM的增殖、迁移及侵袭能力。

关键词: NDRG2, 腺样囊性癌, 增殖, 侵袭

Abstract: PURPOSE: To investigate the expression of NDRG2 gene and its role in the progress of salivary adenoid cystic carcinoma (SACC). METHODS: Western blot assay was used to analyze the expression level of protein of SACC. The mRNA level was analyzed by qRT-PCR assay. The expression level of NDRG2 in SACC-LM was downregulated by small interfering RNA. The proliferation of SACC-LM was detected by CCK-8 assay and colony formation assay. Wound healing assay and Transwell invasion assay were performed to observe the abilities of migration and invasion, respectively. The expression of invasion markers and EMT-related proteins was examined by Western blot. SPSS 17.0 software package was used for statistical analysis. RESULTS: NDRG2 expression was decreased in SACC tissues (P=0.017). Down-regulation of NDRG2 promoted proliferation,migration and invasion of SACC-LM (P<0.05). The expression of MMP2 (P=0.0004) was up-regulated. The epithelial marker E-Cadherin was down-regulated (P=0.0229) while the mesenchymal marker N-Cadherin was increased (P=0.0009). CONCLUSIONS: NDRG2 is decreased in SACC and Si-NDRG2 could enhance proliferation,migration and invasion of salivary adenoid cystic carcinoma cell line SACC-LM.

Key words: NDRG2, Salivary adenoid cystic carcinoma, Proliferation, Invasion

中图分类号:

R739.8

任华健, 李家苏, 高红梅, 尹林. NDRG2对唾液腺腺样囊性癌增殖、侵袭的影响[J]. 中国口腔颌面外科杂志, 2019, 17(2): 112-116.

REN Hua-jian, LI Jia-su, GAO Hong-mei, YIN Lin. The effect of NDRG2 on proliferation and invasion of salivary adenoid cystic carcinoma[J]. China J Oral Maxillofac Surg, 2019, 17(2): 112-116.

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NDRG2对唾液腺腺样囊性癌增殖、侵袭的影响

The effect of NDRG2 on proliferation and invasion of salivary adenoid cystic carcinoma

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